APA (7th ed.) Citation

American Nature Association & Pack, A. N. (1930). The Nature almanac: A handbook of nature education. American Nature Association.

Chicago Style (17th ed.) Citation

American Nature Association and Arthur Newton Pack. The Nature Almanac: A Handbook of Nature Education. Washington: American Nature Association, 1930.

MLA (9th ed.) Citation

American Nature Association and Arthur Newton Pack. The Nature Almanac: A Handbook of Nature Education. American Nature Association, 1930.